Patent US3593965A successfully refreshed from Google Patents.
US3593965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for mixing a plurality of fluids which are to be simultaneously dispensed
Assignee: L'Oréal SA
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Filing: 1968-11-21
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Granted: 1971-07-20
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Expires: 1988-11-21
Abstract
Abstract A mixer for a plurality of fluids comprising a disc sandwiched between two flat surfaces, said disc being provided on both sides with a network of intersecting grooves passageways through said disc connecting the two networks of grooves, an inlet in one of said flat surfaces affording access to one network, and an outlet in the other surface connected to the other network.
Inventors
- 👤 Bruno Morane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:46
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/421
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
106 words
A mixing device for simultaneously dispensing a plurality of fluids packaged under pressure, said device comprising a single flat plate enclosed in a chamber, said plate having two oppositely facing flat surfaces, each abutting a corresponding flat surface on the inside of said chamber, a network of intersecting grooves in each surface of said plate, one of said networks being formed to conduct fluids from an inlet in the wall of said chamber to at least one orifice in said plate, and the network on the other side being formed to conduct fluids from said at least one orifice to an outlet in said chamber wall.
Claim 2
Dependent Claim
106 words
A mixing device for simultaneously dispensing a plurality of fluids packaged under pressure, said device comprising a single flat plate enclosed in a chamber, said plate having two oppositely facing flat surfaces, each abutting a corresponding flat surface on the inside of said chamber, a network of intersecting grooves in each surface of said plate, one of said networks being formed to conduct fluids from an inlet in the wall of said chamber to at least one orifice in said plate, and the network on the other side being formed to conduct fluids from said at least one orifice to an outlet in said chamber wall.
Claim 3
Dependent Claim
43 words
A mixing device as claimed in claim 1 in which said grooves are in said plate, and said inlet and outlet are aligned on opposite sides of the center of said plate, said at least one orifice being positioned near the periphery thereof.
Claim 4
Dependent Claim
43 words
A mixing device as claimed in claim 2 in which each network comprises a diametral central groove connected to a plurality of intersecting transverse grooves leading to two discrete arcuate grooves, each of which is connected to an orifice extending through said plate.
Claim 5
Dependent Claim
19 words
A mixing device as claimed in claim 1 in which said chamber comprises two sections which are screwed together.
Claim 6
Dependent Claim
32 words
A mixing device as claimed in claim 4 in which one of said sections comprises a web the upper surface of which abuts said disc, and is provided with a peripheral rim.
Claim 7
Dependent Claim
37 words
A mixing disc as claimed in claim 4 in which the upper part of said chamber is defined by a cover attached to a dispensing cap baffled to prolong the time required for fluid to pass therethrough.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |